SY35 is a 16-voice polyphonic, 8-part multitimbral 61-key synthesizer based on two FM operators and two digital acoustic sample playback oscillators. The structure comprises 4 LFOs, no filters, 4 volume-only envelopes. The sequencer is not installed. The...

SY77 is a 61-note velocity sensitive keyboard with aftertouch featuring 32 voices of polyphony – 16 for AFM voices and 16 for AWM2 sampled voices. The structure of the synthesizer is based on 6 operators representing AFM synth part which features 45...

Prophet VS is the first synthesizer which applies vector synthesis method. Unfortunately, Prophet VS was produced only a few months before Sequential Circuits ceased its operating in 1987. Later (in 1990), this method was used by Dave Smith in Korg...